Reports on using Retail Sapphire Radeon RX 580 in Mac Pro with macOS Mojave, High Sierra, and 10.12.6
Mac Pro (Mid 2010) + SAPPHIRE NITRO+ RADEON RX 580 8G GDDR5 OC - YouTube
How to: Install AMD RX 480 & RX 580 in macOS Sierra
Radeon RX 580 with Mac Pro | MacMaven Consulting NYC
AMD Radeon RX 580 works in macOS | MacRumors Forums
OWC Radeon RX 580 8GB Graphics Upgrade Solution... at MacSales.com
Used - Like New: OWC Radeon RX 580 8GB Graphics Upgrade Solution For Mac Pro 2010 To 2012. Add Metal Support to your Mac Pro and Upgrade to macOS 10.14.x Mojave. Model OWCMP1012R580V - Newegg.com
SAPPHIRE NITRO+ Radeon RX 580 8GB - Pro Audio Pakistan
SAPPHIRE PULSE AMD Radeon RX580 8GB GDDR5 Upgrade for Apple Mac Pro | eBay
Mac Pro 4.1 and 5.1 GPU Upgrade for Mojave (Sapphire Pulse Radeon RX580) - YouTube
Amazon.com: Video Card RX 580 8GB 256Bit 2048SP GDDR5 Graphics Cards for AMD Radeon RX 580 Series Professional for ETH Mining and Gaming : Electronics
EFI Radeon RX 580 GPU for MacOS
MSI Radeon RX 580 Armor MK2 8G Video Graphics Card OC - Pro Audio
AMD Radeon RX 580 4GB & 8GB Graphics Card FLASHED for Apple Mac Pro 2009-2010 | eBay
Rx 580 - Where to Buy it at the Best Price in Canada?